/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

RegExp('[')
RegExp('.', 'z')
new RegExp('\\')
new RegExp('\\a', 'u');
RegExp('\\u{0}*');
new RegExp('\\u{0}*');
new RegExp('\\u{0}*', '');
new RegExp('\\');
RegExp(')' + '', 'a');
new RegExp('[[]', 'v');
new RegExp('.', 'uv');
new RegExp('[A--B]' /* valid only with `v` flag */, 'u')